Abstract
BackgroundFacial palsy patients require reconstructive surgery because they suffer from an expressionless and deformed appearance especially during smiling. To gain a natural smile, various dynamic procedures rather than static procedures are performed. Through cadaveric studies with clinical implications on temporalis muscle and intraoral transposition, we were able to come up with a more effective and less invasive procedure than the conventional temporalis muscle transposition or lengthening temporalis myoplasty. The aim of this study is to describe our novel surgical technique for facial reanimation and evaluate its efficacy. MethodTwo intraoral incisions were made. Through the posterior incision, the tendinous portion of the temporalis was separated from the coronoid process and anterior border of the ramus. Through the anterior incision, submucosa tunneling was performed to fixate the temporalis tendon onto the new perioral site. Results14 patients with facial palsy underwent intraoral temporalis transposition and their mouth corner excursion was measured for objective assessment after surgery. At resting state, mouth and cheek drooping was improved. At smiling, the excursion of the unaffected side was 10–17 mm. For the reconstructed side, 8 cases were considered excellent (exceeding 75% of normal side), 5 cases were considered good (exceeding 50%), and 1 case fair (exceeding 25%). ConclusionThis temporalis transposition through the intraoral approach is a novel technique for facial reanimation reconstruction. It is s less invasive, immediately effective method with rapid recovery and minimal donor site morbidity without visible scar. Level of evidenceIV.
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